| NDUV2R13B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV201B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV202B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV204B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV206B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV213B 50 mm x 50 mm UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV240B 50 mm x 50 mm UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV504A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV505A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV510A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV530A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV540A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV03A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV04A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV05A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV10A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV13A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV30A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R03A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R04A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R05A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R10A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R20A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDIR03A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR10A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| 27002 C 25 mm Dia. H-alpha 5nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 652.5 nm | 647.5 nm |
| 27004 C 25 mm Dia. H-beta 3nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 486.5 nm | 483.5 nm |
| 27005 C 25 mm Dia. H-beta 5nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 487.5 nm | 482.5 nm |
| 27006 C 25 mm Dia. OIII 3nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 501.5 nm | 498.5 nm |
| 27007 C 25 mm Dia. OIII 5nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 502.5 nm | 497.5 nm |
| 27008 C 25 mm Dia. OIII 8nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 504 nm | 496 nm |
| 27011 C 25 mm Dia. SII 8nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 674 nm | 666 nm |
| 27030 C 25 mm Dia. LoGlow Light Pollution Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27050 C 25 mm Dia. U-Bessell Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27052 C 25 mm Dia. B-Bessell Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27053 C 25 mm Dia. R-Bessell Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| At350-50X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 375 nm | 325 nm |
| At425-50X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 450 nm | 400 nm |
| At435-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 445 nm | 425 nm |
| At450-50X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 475 nm | 425 nm |
| At460-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 485 nm | 435 nm |
| At495-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 505 nm | 485 nm |
| At545-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 560 nm | 530 nm |
| At560-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 580 nm | 540 nm |
| At565-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 580 nm | 550 nm |
| At585-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 600 nm | 570 nm |
| At620-50X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 645 nm | 595 nm |
| At620-60M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 650 nm | 590 nm |
| At655-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 670 nm | 640 nm |
| At690-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 715 nm | 665 nm |
| Et214-20Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 224 nm | 204 nm |
| Et250-20Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 260 nm | 240 nm |
| Et254-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 259 nm | 249 nm |
| Et270-15Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 277.5 nm | 262.5 nm |
| Et325-20Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 335 nm | 315 nm |
| Et340X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 345.5 nm | 334.5 nm |
| Et376-30X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 391 nm | 361 nm |
| Et395-25X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 407.5 nm | 382.5 nm |
| Et402-15X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 409.5 nm | 394.5 nm |
| Et405-10X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 410 nm | 400 nm |
| 246-2506-532 25.4 mm Dia. OD 6 Notch Filter; t=6mm 400-517/548-710nm | Optics | Filter | Notch Filter | EKSMA Optics | UVFS | Circular | | |
| 246-2506-561 25.4 mm Dia. OD 6 Notch Filter; t=6mm 425-542/580-740nm | Optics | Filter | Notch Filter | EKSMA Optics | UVFS | Circular | | |
| 245-2501 25.4 mm Dia. OD 0.1 Reflective Neutral Density Filter; t=1.1mm 400-2000nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 245-2503 25.4 mm Dia. OD 0.3 Reflective Neutral Density Filter; t=1.1mm 400-2000nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 245-2510 25.4 mm Dia. OD 1 Reflective Neutral Density Filter; t=1.1mm 400-2000nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-2501 25.4 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-2502 25.4 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-2510 25.4 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-2520 25.4 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-5001 50.8 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-5002 50.8 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-5005 50.8 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-5020 50.8 mm Dia. Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Circular | | |
| 240-2602 25.4 x 25.4 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-2603 25.4 x 25.4 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-2610 25.4 x 25.4 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-2620 25.4 x 25.4 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-5603 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-5610 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-5620 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 241-3003 25.4 x 25.4 mm BG3 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 241-3005 25.4 x 25.4 mm UG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 241-3039 25.4 x 25.4 mm BG39 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 242-3001 25.4 x 25.4 mm KG1 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 242-3003 25.4 x 25.4 mm KG3 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 242-3005 25.4 x 25.4 mm KG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3320 25.4 x 25.4 mm WG320 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3530 25.4 x 25.4 mm OG530 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3570 25.4 x 25.4 mm OG570 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3990 25.4 x 25.4 mm RG1000 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6475 50.8 x 50.8 mm GG475 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6570 50.8 x 50.8 mm OG570 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6715 50.8 x 50.8 mm RG715 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6850 50.8 x 50.8 mm RG850 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 241-2003 25.4 mm Dia. BG3 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 241-2005 25.4 mm Dia. UG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-2005 25.4 mm Dia. KG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2320 25.4 mm Dia. WG320 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2530 25.4 mm Dia. OG530 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2570 25.4 mm Dia. OG570 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |